/**
*      author: Y_Yao
*      created: 2024-11-15 18:58:22
**/

#include<bits/stdc++.h>

using namespace std;
using LL = long long;
const LL LLINF = 1e18;
const int INF = 0x3f3f3f3f;

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);

    int n,a,b;
    cin >> n >> a >> b;
    
    return 0;
}